*{
    margin: 0;
    padding: 0;
}
.mytab{
    display: flex;
}
.mytab>.left>.btn{
    
    padding: 15px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    font-size: 18px;

}
.mytab>.left>.active{
    background-color: lightblue;
    color: red;
    border-left:2px solid red ;
}
.mytab>.right{
    
    display: flex;
    flex: 1;
    flex-wrap: wrap;
}
.mytab>.right>.item{
    width: 33%;
    /* height: 100px; */
}
.mytab>.right>.item>img{
    width: 80%;
}